Schools across Senegal have discovered a clever way for children to surf the web even when there isn't any signal.They're using a special WIFI hotspot which works without an actual internet connection, so students and teachers can access all the relevant bits of the web, offline.Around the world, innovators are coming up with solutions like this - all designed to get children learning. We also hear from an entrepreneur revolutionising how science is taught in Ghana and a night school in Pakistan for children not in formal education.Presenter: Myra Anubi Producer: Craig Langran Reporters: Borso Tall, Tooba Masood Series Producer: Jon Bithrey Editor: Penny Murphy Sound Mix: Annie Gardiner(Image: Students using science kit, Dex Technology)